<template>
  <div class="article-page">

    <div class="banner">
      <div class="container">

        <h1>{{ article.title }}</h1>

        <article-meta :article="article" />

      </div>
    </div>

    <div class="container page">

      <div class="row article-content">
        <div class="col-md-12">
          <div v-html="article.body"></div>
          <ul class="tag-list">
            <li
              class="tag-default tag-pill tag-outline"
              v-for="(tag, idx) in article.tagList" :key="idx">
              {{ tag }}
            </li>
          </ul>
        </div>
      </div>

      <hr />

      <div class="article-actions">
        <article-meta :article="article" />
      </div>

      <div class="row">
        <div class="col-xs-12 col-md-8 offset-md-2">

          <article-comments :article="article" />
        </div>
      </div>

    </div>

  </div>
</template>

<script>
import { getArticle } from '@/api'
import MarkdownIt from 'markdown-it'
import ArticleMeta from './components/article-meta'
import ArticleComments from './components/article-comments'

export default {
  name: 'ArticlePage',
  components: {
    ArticleMeta,
    ArticleComments
  },
  async asyncData ({ params }) {
    const { data } = await getArticle(params.slug)
    const { article } = data
    // 将 markdown 内容转换成 HTML 内容
    const md = new MarkdownIt()
    article.body = md.render(article.body)

    return {
      article: article
    }
  },
  head() {
    return {
      title: `${this.article.title} - RealWorld`,
      meta: [
        {
          hid: 'description',
          name: 'description',
          content: this.article.description
        }
      ]
    }
  }
}
</script>
